AN ALLEGED former CIA agent and military officer gave a shocking deathbed "confession" in which he claimed to have seen living extraterrestrials and alien space craft secretly stored in the mysterious Area 51 US Air Force base.

The conspiracy theories were compounded by the fact that the US Government did not acknowledge the base existed until 2013.

Other theories suggest aliens, from the crashed UFOs are secretly kept there as well.

The man says in the video that President Dwight Eisenhower had warned of a threat of Earth being invaded, so he and his superior at the CIA were allowed inside Area 51 to report back to the president.

He claimed the pair were also taken to the alleged S-4 facility southwest of Area 51 where they observed "live extraterrestrials".

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Author and UFO researcher Peter Robbins, said of the account: “In my opinion, if it can be confirmed by any relevant supporting documentation, this moving and fascinating account does qualify as an authentic ‘death bed’ testimony from an individual who convincingly claims to have been a CIA officer deeply involved in the matter or crashed and/or recovered craft, and at one time a liaison between the agency and the President (Truman).”

The interview was filmed in 2013, but only released on the Open Minds UFO website, but is being discussed after being shared on other UFO forums.

It is not clear if the man did die soon after the recording.

It comes after a video interview of a new witness to the Roswell crash emerged, as revealed by Express.co.uk.